1 /* Machine independent support for SVR4 /proc (process file system) for GDB.
2 Copyright 1999, 2000 Free Software Foundation, Inc.
3 Written by Michael Snyder at Cygnus Solutions.
4 Based on work by Fred Fish, Stu Grossman, Geoff Noer, and others.
5
6 This file is part of GDB.
7
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software Foundation,
20 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
21
22 /*
23 * Pretty-print the pr_why value.
24 *
25 * Arguments: unsigned long flags, int verbose
26 *
27 */
28
29 #include "defs.h"
30
31 #if defined(NEW_PROC_API)
32 #define _STRUCTURED_PROC 1
33 #endif
34
35 #include <stdio.h>
36 #include <sys/types.h>
37 #include <sys/procfs.h>
38
39 #include "proc-utils.h"
40
41 /* Much of the information used in the /proc interface, particularly for
42 printing status information, is kept as tables of structures of the
43 following form. These tables can be used to map numeric values to
44 their symbolic names and to a string that describes their specific use. */
45
46 struct trans {
47 int value; /* The numeric value */
48 char *name; /* The equivalent symbolic value */
49 char *desc; /* Short description of value */
50 };
51
52 /* Translate values in the pr_why field of the prstatus struct. */
53
54 static struct trans pr_why_table[] =
55 {
56 #if defined (PR_REQUESTED)
57 /* All platforms */
58 { PR_REQUESTED, "PR_REQUESTED",
59 "Directed to stop by debugger via P(IO)CSTOP or P(IO)CWSTOP" },
60 #endif
61 #if defined (PR_SIGNALLED)
62 /* All platforms */
63 { PR_SIGNALLED, "PR_SIGNALLED", "Receipt of a traced signal" },
64 #endif
65 #if defined (PR_SYSENTRY)
66 /* All platforms */
67 { PR_SYSENTRY, "PR_SYSENTRY", "Entry to a traced system call" },
68 #endif
69 #if defined (PR_SYSEXIT)
70 /* All platforms */
71 { PR_SYSEXIT, "PR_SYSEXIT", "Exit from a traced system call" },
72 #endif
73 #if defined (PR_JOBCONTROL)
74 /* All platforms */
75 { PR_JOBCONTROL, "PR_JOBCONTROL", "Default job control stop signal action" },
76 #endif
77 #if defined (PR_FAULTED)
78 /* All platforms */
79 { PR_FAULTED, "PR_FAULTED", "Incurred a traced hardware fault" },
80 #endif
81 #if defined (PR_SUSPENDED)
82 /* Solaris and UnixWare */
83 { PR_SUSPENDED, "PR_SUSPENDED", "Process suspended" },
84 #endif
85 #if defined (PR_CHECKPOINT)
86 /* Solaris only */
87 { PR_CHECKPOINT, "PR_CHECKPOINT", "Process stopped at checkpoint" },
88 #endif
89 #if defined (PR_FORKSTOP)
90 /* OSF only */
91 { PR_FORKSTOP, "PR_FORKSTOP", "Process stopped at end of fork call" },
92 #endif
93 #if defined (PR_TCRSTOP)
94 /* OSF only */
95 { PR_TCRSTOP, "PR_TCRSTOP", "Process stopped on thread creation" },
96 #endif
97 #if defined (PR_TTSTOP)
98 /* OSF only */
99 { PR_TTSTOP, "PR_TTSTOP", "Process stopped on thread termination" },
100 #endif
101 #if defined (PR_DEAD)
102 /* OSF only */
103 { PR_DEAD, "PR_DEAD", "Process stopped in exit system call" },
104 #endif
105 };
106
107 void
proc_prettyfprint_why(FILE * file,unsigned long why,unsigned long what,int verbose)108 proc_prettyfprint_why (FILE *file, unsigned long why, unsigned long what,
109 int verbose)
110 {
111 int i;
112
113 if (why == 0)
114 return;
115
116 for (i = 0; i < sizeof (pr_why_table) / sizeof (pr_why_table[0]); i++)
117 if (why == pr_why_table[i].value)
118 {
119 fprintf (file, "%s ", pr_why_table[i].name);
120 if (verbose)
121 fprintf (file, ": %s ", pr_why_table[i].desc);
122
123 switch (why) {
124 #ifdef PR_REQUESTED
125 case PR_REQUESTED:
126 break; /* Nothing more to print. */
127 #endif
128 #ifdef PR_SIGNALLED
129 case PR_SIGNALLED:
130 proc_prettyfprint_signal (file, what, verbose);
131 break;
132 #endif
133 #ifdef PR_FAULTED
134 case PR_FAULTED:
135 proc_prettyfprint_fault (file, what, verbose);
136 break;
137 #endif
138 #ifdef PR_SYSENTRY
139 case PR_SYSENTRY:
140 fprintf (file, "Entry to ");
141 proc_prettyfprint_syscall (file, what, verbose);
142 break;
143 #endif
144 #ifdef PR_SYSEXIT
145 case PR_SYSEXIT:
146 fprintf (file, "Exit from ");
147 proc_prettyfprint_syscall (file, what, verbose);
148 break;
149 #endif
150 #ifdef PR_JOBCONTROL
151 case PR_JOBCONTROL:
152 proc_prettyfprint_signal (file, what, verbose);
153 break;
154 #endif
155 #ifdef PR_DEAD
156 case PR_DEAD:
157 fprintf (file, "Exit status: %ld\n", what);
158 break;
159 #endif
160 default:
161 fprintf (file, "Unknown why %ld, what %ld\n", why, what);
162 break;
163 }
164 fprintf (file, "\n");
165
166 return;
167 }
168 fprintf (file, "Unknown pr_why.\n");
169 }
170
171 void
proc_prettyprint_why(unsigned long why,unsigned long what,int verbose)172 proc_prettyprint_why (unsigned long why, unsigned long what, int verbose)
173 {
174 proc_prettyfprint_why (stdout, why, what, verbose);
175 }
176